EP4131263A4 - Procédé et appareil de codage de signal audio - Google Patents
Procédé et appareil de codage de signal audio Download PDFInfo
- Publication number
- EP4131263A4 EP4131263A4 EP21793658.2A EP21793658A EP4131263A4 EP 4131263 A4 EP4131263 A4 EP 4131263A4 EP 21793658 A EP21793658 A EP 21793658A EP 4131263 A4 EP4131263 A4 EP 4131263A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- audio signal
- encoding method
- signal encoding
- audio
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/003—Changing voice quality, e.g. pitch or formants
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318590.8A CN113539281A (zh) | 2020-04-21 | 2020-04-21 | 音频信号编码方法和装置 |
| PCT/CN2021/083029 WO2021213128A1 (fr) | 2020-04-21 | 2021-03-25 | Procédé et appareil de codage de signal audio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4131263A1 EP4131263A1 (fr) | 2023-02-08 |
| EP4131263A4 true EP4131263A4 (fr) | 2023-07-26 |
Family
ID=78093961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21793658.2A Pending EP4131263A4 (fr) | 2020-04-21 | 2021-03-25 | Procédé et appareil de codage de signal audio |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20230040515A1 (fr) |
| EP (1) | EP4131263A4 (fr) |
| KR (1) | KR20230002899A (fr) |
| CN (1) | CN113539281A (fr) |
| BR (1) | BR112022021356A2 (fr) |
| MX (1) | MX2022013267A (fr) |
| WO (1) | WO2021213128A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808596A (zh) * | 2020-05-30 | 2021-12-17 | 华为技术有限公司 | 一种音频编码方法和音频编码装置 |
| CN113808597A (zh) * | 2020-05-30 | 2021-12-17 | 华为技术有限公司 | 一种音频编码方法和音频编码装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100241423A1 (en) * | 2009-03-18 | 2010-09-23 | Stanley Wayne Jackson | System and method for frequency to phase balancing for timbre-accurate low bit rate audio encoding |
| US20130117029A1 (en) * | 2011-05-25 | 2013-05-09 | Huawei Technologies Co., Ltd. | Signal classification method and device, and encoding and decoding methods and devices |
| US20130290003A1 (en) * | 2012-03-21 | 2013-10-31 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding and decoding high frequency for bandwidth extension |
| US9626972B2 (en) * | 2012-12-06 | 2017-04-18 | Huawei Technologies Co., Ltd. | Method and device for decoding signal |
| EP4152317A1 (fr) * | 2020-05-30 | 2023-03-22 | Huawei Technologies Co., Ltd. | Procédé de codage audio et appareil de codage audio |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101521010B (zh) * | 2008-02-29 | 2011-10-05 | 华为技术有限公司 | 一种音频信号的编解码方法和装置 |
| CN101620854B (zh) * | 2008-06-30 | 2012-04-04 | 华为技术有限公司 | 频带扩展的方法、系统和设备 |
| CN102194457B (zh) * | 2010-03-02 | 2013-02-27 | 中兴通讯股份有限公司 | 音频编解码方法、系统及噪声水平估计方法 |
| US8731949B2 (en) * | 2011-06-30 | 2014-05-20 | Zte Corporation | Method and system for audio encoding and decoding and method for estimating noise level |
| EP2950308B1 (fr) * | 2013-01-22 | 2020-02-19 | Panasonic Corporation | Générateur de paramètres d'étalement de largeur de bande, codeur, décodeur, procédé de génération de paramètres d'étalement de largeur de bande, procédé de codage et procédé de décodage |
| AU2014211539B2 (en) * | 2013-01-29 | 2017-04-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Low-complexity tonality-adaptive audio signal quantization |
| EP3117432B1 (fr) * | 2014-03-14 | 2019-05-08 | Telefonaktiebolaget LM Ericsson (publ) | Procédé et appareil de codage audio |
| EP4134953A1 (fr) * | 2016-04-12 | 2023-02-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur audio pour coder un signal audio, procédé pour coder un signal audio et programme informatique prenant en compte une région spectrale de crête détectée dans une bande de fréquences supérieure |
| JP6769299B2 (ja) * | 2016-12-27 | 2020-10-14 | 富士通株式会社 | オーディオ符号化装置およびオーディオ符号化方法 |
-
2020
- 2020-04-21 CN CN202010318590.8A patent/CN113539281A/zh active Pending
-
2021
- 2021-03-25 BR BR112022021356A patent/BR112022021356A2/pt unknown
- 2021-03-25 MX MX2022013267A patent/MX2022013267A/es unknown
- 2021-03-25 KR KR1020227040562A patent/KR20230002899A/ko unknown
- 2021-03-25 WO PCT/CN2021/083029 patent/WO2021213128A1/fr unknown
- 2021-03-25 EP EP21793658.2A patent/EP4131263A4/fr active Pending
-
2022
- 2022-10-19 US US17/969,454 patent/US20230040515A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100241423A1 (en) * | 2009-03-18 | 2010-09-23 | Stanley Wayne Jackson | System and method for frequency to phase balancing for timbre-accurate low bit rate audio encoding |
| US20130117029A1 (en) * | 2011-05-25 | 2013-05-09 | Huawei Technologies Co., Ltd. | Signal classification method and device, and encoding and decoding methods and devices |
| US20130290003A1 (en) * | 2012-03-21 | 2013-10-31 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding and decoding high frequency for bandwidth extension |
| US9626972B2 (en) * | 2012-12-06 | 2017-04-18 | Huawei Technologies Co., Ltd. | Method and device for decoding signal |
| EP4152317A1 (fr) * | 2020-05-30 | 2023-03-22 | Huawei Technologies Co., Ltd. | Procédé de codage audio et appareil de codage audio |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021213128A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230040515A1 (en) | 2023-02-09 |
| KR20230002899A (ko) | 2023-01-05 |
| EP4131263A1 (fr) | 2023-02-08 |
| BR112022021356A2 (pt) | 2023-02-28 |
| WO2021213128A1 (fr) | 2021-10-28 |
| MX2022013267A (es) | 2023-01-16 |
| CN113539281A (zh) | 2021-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20221102 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| A4 | Supplementary search report drawn up and despatched |
Effective date: 20230627 |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: G10L 21/038 20130101ALI20230621BHEP Ipc: G10L 19/02 20130101ALI20230621BHEP Ipc: G10L 21/003 20130101ALI20230621BHEP Ipc: G10L 19/16 20130101AFI20230621BHEP |